<script setup>
import courseApi from "@/api/course.js";
import {ref} from "vue";
import {ElMessage, ElMessageBox} from "element-plus";
import {
    Delete,
    Edit,
    Upload,
    Download,
    Plus
} from '@element-plus/icons-vue'
import coachApi from "@/api/coach.js";

//数据表格
const list = ref([])
const total = ref(0)
//分页信息和搜索条件
const courseQuery = ref({
    name: '',
    coachId:'',
    page: 1,
    limit: 10
})

/*courseApi.list(courseQuery.value).then(result=>{
    list.value = result.data.records
    total.value = result.data.total
})*/

const loadData = () => {
    courseApi.list(courseQuery.value).then(result => {
        if (result.code == 0) {
            list.value = result.data.records
            total.value = result.data.total
        }
    })
}
loadData()

const onSearch = () => {
    courseQuery.value.page = 1
    loadData()
}

const reset = () => {
    courseQuery.value.name = ''
    courseQuery.value.coachId = ''
    courseQuery.value.beginUpdateTime = ''
    courseQuery.value.endUpdateTime = ''
    loadData()
}

//根据ID删除
const deleteById = (id) => {
    ElMessageBox.confirm(
        '您确认要删除吗？',
        '警告',
        {
            confirmButtonText: '确认',
            cancelButtonText: '取消',
            type: 'warning',
        }
    )
        .then(() => {
            courseApi.deleteById(id).then(result => {
                if (result.code == 0) {
                    ElMessage.success(result.msg)
                    loadData()
                } else {
                    ElMessage.error(result.msg)
                }
            })
        })
}

//批量删除
const ids = ref([])
const handleSelectionChange = (rows) => {
    console.log('多选', rows)
    ids.value = rows.map(row => row.id)
    console.log(ids.value)
}
const deleteAll = () => {
    ElMessageBox.confirm(
        '您确认要删除吗？',
        '警告',
        {
            confirmButtonText: '确认',
            cancelButtonText: '取消',
            type: 'warning',
        }
    )
        .then(() => {
            courseApi.deleteAll(ids.value).then(result => {
                if (result.code == 0) {
                    ElMessage.success(result.msg)
                    loadData()
                } else {
                    ElMessage.error(result.msg)
                }
            })
        })
}

//添加、编辑
const dialogFormVisible = ref(false)
const course = ref({
    length:1,
    maxCount:5
})
const showAddDialog = () => {
    course.value = {
        length:1,
        maxCount:5
    }
    dialogFormVisible.value = true
}

const showUpdateDialog = (id) => {
    dialogFormVisible.value = true
    course.value = {
        length:1,
        maxCount:5
    }
    courseApi.selectById(id).then(result => {
        if (result.code == 0) {
            course.value = result.data
        }
    })
}

const addOrUpdate = () => {
    if (course.value.id) {
        courseApi.update(course.value).then(result => {
            if (result.code == 0) {
                ElMessage.success(result.msg)
                dialogFormVisible.value = false
                loadData()
            } else {
                ElMessage.error(result.msg)
            }
        })
    } else {
        courseApi.add(course.value).then(result => {
            if (result.code == 0) {
                ElMessage.success(result.msg)
                dialogFormVisible.value = false
                loadData()
            } else {
                ElMessage.error(result.msg)
            }
        })
    }

}

// el-switch状态切换
const handleSwitchChange = (row) => {
    console.log(row)
    const course = {}
    course.id = row.id
    course.status = row.status
    courseApi.update(course).then(result => {
        if (result.code == 0) {
            ElMessage.success(result.msg);
        } else {
            ElMessage.error(result.msg)
        }
    })
}

//图片上传
const handleAvatarSuccess = (result) => {
    course.value.image = result.data
}
import {useTokenStore} from '@/store/token.js'
import WangEditor from "@/components/WangEditor.vue";

const tokenStore = useTokenStore();
const headers = ref({
    //携带token传递到后端
    Authorization: tokenStore.token
});

//查找所有的教练
const coachList = ref([])
coachApi.selectAll().then(result=>{
    if (result.code == 0){
        coachList.value = result.data
    }
})

//下拉事件
const selectChange = (value) =>{
    console.log(value)
}

//导入、导出excel
const exportExcel = () => {
    courseApi.exportExcel().then((result) => {
        let blob = new Blob([result], { type: "application/xlsx" });
        let url = window.URL.createObjectURL(blob);
        const link = document.createElement("a"); // 创建a标签
        link.href = url;
        link.download = "课程列表.xlsx"; // 重命名文件
        link.click();
        URL.revokeObjectURL(url);
    });
}

const importExcelSuccess = (result) => {
    if (result.code == 0) {
        ElMessage.success(result.msg)
        loadData()
    }
}
</script>

<template>
    <el-card class="">
        <template #header>
            <div class="header">
                <el-button type="success" :icon="Plus" @click="showAddDialog">添加</el-button>
                <el-button type="danger" :icon="Delete"@click="deleteAll">批量删除</el-button>
                <el-button type="primary" :icon="Download" @click="exportExcel">导出Excel</el-button>
                <el-upload
                    :icon="Upload"
                    class="inline-block"
                    multiple=""
                    method="post"
                    action="/api/course/importExcel"
                    style="display:inline-block;margin-left: 12px"
                    accept=".xlsx,.xls"
                    :show-file-list="false"
                    :on-success="importExcelSuccess"
                    :headers="headers"
                    name="file">
                    <el-button type="primary" :icon="Upload">导入Excel</el-button>
                </el-upload>
            </div>
        </template>
        <el-form :inline="true">
            <el-form-item label="名字">
                <el-input v-model="courseQuery.name" placeholder="请输入名字" clearable style="width: 200px"/>
            </el-form-item>
            <el-form-item label="教练">
                <el-select @change="selectChange" v-model="courseQuery.coachId" placeholder="请选择教练" clearable style="width: 240px">
                    <el-option
                        v-for="coach in coachList"
                        :key="coach.id"
                        :label="coach.name"
                        :value="coach.id"
                    />
                </el-select>
            </el-form-item>
            <el-form-item label="更新时间" :label-width="100">
                <el-date-picker
                    v-model="courseQuery.beginUpdateTime"
                    type="datetime"
                    value-format="YYYY-MM-DD HH:mm:ss"
                    placeholder="开始时间"
                />
                <el-date-picker
                    v-model="courseQuery.endUpdateTime"
                    type="datetime"
                    value-format="YYYY-MM-DD HH:mm:ss"
                    placeholder="结束时间"
                />
            </el-form-item>
            <el-form-item>
                <el-button type="primary" @click="onSearch">搜索</el-button>
                <el-button type="danger" @click="reset">重置</el-button>
            </el-form-item>
        </el-form>
        <el-table :data="list" style="width: 100%" ref="multipleTableRef" @selection-change="handleSelectionChange">
            <el-table-column type="selection" width="55"/>
            <el-table-column fixed prop="id" label="ID"/>
            <el-table-column prop="name" label="名字"/>
            <el-table-column prop="coachId" label="教练ID"/>
            <el-table-column prop="coachName" label="教练"/>
            <el-table-column prop="time" label="课程时间" width="180"/>
            <el-table-column prop="length" label="课程时长"/>
            <el-table-column prop="maxCount" label="最大人数"/>
            <el-table-column prop="room" label="教室"/>
            <el-table-column prop="status" label="状态">
                <template #default="scope">
                    <el-switch
                        v-model="scope.row.status"
                        style="--el-switch-on-color: #13ce66; --el-switch-off-color: #ff4949"
                        :active-value="1"
                        :inactive-value="0"
                        active-text="正常"
                        inactive-text="停课"
                        inline-prompt
                        @change="handleSwitchChange(scope.row)"
                    />
                </template>
            </el-table-column>
            <el-table-column prop="image" label="头像">
                <template #default="{row}">
                    <img :src="row.image" style="max-height: 40px; max-width: 120px;"/>
                </template>
            </el-table-column>
            <!-- <el-table-column prop="avatar" label="头像"/> -->
            <el-table-column prop="updateTime" label="更新时间" width="180px"/>
            <el-table-column align="center" width="200px" fixed="right" label="操作">
                <template #default="{ row }">
                    <el-button size="small" type="primary" @click="showUpdateDialog(row.id)">编辑</el-button>
                    <el-button size="small" type="danger" @click="deleteById(row.id)">删除</el-button>
                </template>
            </el-table-column>
        </el-table>
        <el-pagination
            v-model:current-page="courseQuery.page"
            v-model:page-size="courseQuery.limit"
            :page-sizes="[10, 20, 30, 40]"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total"
            @change="loadData"
            style="margin-top: 20px; justify-content: flex-end"
        />
    </el-card>

    <!--添加编辑弹出框-->
    <el-dialog v-model="dialogFormVisible" :title="title" width="60%" :lock-scroll="false">
        <el-form :model="course">
            <el-form-item label="名字" :label-width="80">
                <el-input v-model="course.name" autocomplete="off"/>
            </el-form-item>
            <el-form-item label="教练" :label-width="80">
                <el-select v-model="course.coachId" placeholder="请选择教练" style="width: 240px">
                    <el-option
                        v-for="coach in coachList"
                        :key="coach.id"
                        :label="coach.name"
                        :value="coach.id"
                    />
                </el-select>
            </el-form-item>
            <el-form-item label="开始时间" :label-width="80">
                <el-date-picker
                    v-model="courseQuery.time"
                    type="datetime"
                    value-format="YYYY-MM-DD HH:mm:ss"
                    placeholder="开始时间"
                />
            </el-form-item>
            <el-form-item label="课程时长" :label-width="80">
                <el-input-number :min="1" :max="100" step="1" v-model="course.length" autocomplete="off"/>
            </el-form-item>
            <el-form-item label="教室" :label-width="80">
                <el-input v-model="course.room" autocomplete="off"/>
            </el-form-item>
            <el-form-item label="最大人数" :label-width="80">
                <el-input-number :min="5" :max="100" step="5" v-model="course.maxCount" autocomplete="off"/>
            </el-form-item>
            <el-form-item label="封面" :label-width="80">
                <el-upload
                    class="avatar-uploader"
                    action="/api/upload"
                    :show-file-list="false"
                    :on-success="handleAvatarSuccess"
                    :headers="headers">
                    <img v-if="course.image" :src="course.image" class="avatar"/>
                    <el-icon v-else class="avatar-uploader-icon">
                        <Plus/>
                    </el-icon>
                </el-upload>
            </el-form-item>
        </el-form>
        <template #footer>
            <div class="dialog-footer">
                <el-button @click="dialogFormVisible = false">取消</el-button>
                <el-button type="primary" @click="addOrUpdate">
                    确认
                </el-button>
            </div>
        </template>
    </el-dialog>
</template>

<style scoped lang="scss">
.avatar-uploader .avatar {
    width: 178px;
    height: 178px;
    display: block;
}
</style>

<style>
.avatar-uploader .el-upload {
    border: 1px dashed var(--el-border-color);
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--el-transition-duration-fast);
}

.avatar-uploader .el-upload:hover {
    border-color: var(--el-color-primary);
}

.el-icon.avatar-uploader-icon {
    font-size: 28px;
    color: #8c939d;
    width: 178px;
    height: 178px;
    text-align: center;
}
</style>